It is common folk knowledge that simply smiling can make you feel better, while frowning can make your bad mood worse. What is the scientific name for this idea?

Question

Quizplus · Accepted Answer

This refers to the theory that the facial expressions that we make can actually influence our mood and emotions. In other words, our facial expressions can provide feedback to our brain, which in turn can affect how we feel. Smiling can activate areas in the brain associated with reward and positive emotions, while frowning can activate areas associated with negative emotions.

It Is Common Folk Knowledge That Simply Smiling Can Make